We found 14 dictionaries that define the word eider duck:

General (13 matching dictionaries)

1. eider duck: Merriam-Webster
2. eider duck: American Heritage Dictionary of the English Language
3. eider duck: Collins English Dictionary
4. eider duck: Vocabulary.com
5. eider-duck: Wordnik
6. eider duck: Infoplease Dictionary
7. eider duck: Dictionary.com
8. Eider duck: Wikipedia, the Free Encyclopedia
9. eider duck: Rhymezone
10. eider duck: FreeDictionary.org
11. eider duck: Mnemonic Dictionary
12. eider duck: TheFreeDictionary.com
13. eider duck: Wiktionary

Computing (1 matching dictionary)

14. eider duck: Encyclopedia

(Note: See eider_ducks as well.)

Definitions from Wiktionary (eider duck) ▸ noun:  Synonym of eider (“duck”) Opposite: waterfowl. ▸ Words similar to eider duck ▸ Usage examples for eider duck ▸ Idioms related to eider duck ▸ Wikipedia articles (New!) ▸ Words that often appear near eider duck ▸ Rhymes of eider duck ▸ Invented words related to eider duck